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-rw-r--r--ext/psych/yaml/api.c1393
1 files changed, 0 insertions, 1393 deletions
diff --git a/ext/psych/yaml/api.c b/ext/psych/yaml/api.c
deleted file mode 100644
index 6add8b2..0000000
--- a/ext/psych/yaml/api.c
+++ /dev/null
@@ -1,1393 +0,0 @@
-
-#include "yaml_private.h"
-
-/*
- * Get the library version.
- */
-
-YAML_DECLARE(const char *)
-yaml_get_version_string(void)
-{
- return YAML_VERSION_STRING;
-}
-
-/*
- * Get the library version numbers.
- */
-
-YAML_DECLARE(void)
-yaml_get_version(int *major, int *minor, int *patch)
-{
- *major = YAML_VERSION_MAJOR;
- *minor = YAML_VERSION_MINOR;
- *patch = YAML_VERSION_PATCH;
-}
-
-/*
- * Allocate a dynamic memory block.
- */
-
-YAML_DECLARE(void *)
-yaml_malloc(size_t size)
-{
- return malloc(size ? size : 1);
-}
-
-/*
- * Reallocate a dynamic memory block.
- */
-
-YAML_DECLARE(void *)
-yaml_realloc(void *ptr, size_t size)
-{
- return ptr ? realloc(ptr, size ? size : 1) : malloc(size ? size : 1);
-}
-
-/*
- * Free a dynamic memory block.
- */
-
-YAML_DECLARE(void)
-yaml_free(void *ptr)
-{
- if (ptr) free(ptr);
-}
-
-/*
- * Duplicate a string.
- */
-
-YAML_DECLARE(yaml_char_t *)
-yaml_strdup(const yaml_char_t *str)
-{
- if (!str)
- return NULL;
-
- return (yaml_char_t *)strdup((char *)str);
-}
-
-/*
- * Extend a string.
- */
-
-YAML_DECLARE(int)
-yaml_string_extend(yaml_char_t **start,
- yaml_char_t **pointer, yaml_char_t **end)
-{
- yaml_char_t *new_start = (yaml_char_t *)yaml_realloc((void*)*start, (*end - *start)*2);
-
- if (!new_start) return 0;
-
- memset(new_start + (*end - *start), 0, *end - *start);
-
- *pointer = new_start + (*pointer - *start);
- *end = new_start + (*end - *start)*2;
- *start = new_start;
-
- return 1;
-}
-
-/*
- * Append a string B to a string A.
- */
-
-YAML_DECLARE(int)
-yaml_string_join(
- yaml_char_t **a_start, yaml_char_t **a_pointer, yaml_char_t **a_end,
- yaml_char_t **b_start, yaml_char_t **b_pointer, SHIM(yaml_char_t **b_end))
-{
- UNUSED_PARAM(b_end)
- if (*b_start == *b_pointer)
- return 1;
-
- while (*a_end - *a_pointer <= *b_pointer - *b_start) {
- if (!yaml_string_extend(a_start, a_pointer, a_end))
- return 0;
- }
-
- memcpy(*a_pointer, *b_start, *b_pointer - *b_start);
- *a_pointer += *b_pointer - *b_start;
-
- return 1;
-}
-
-/*
- * Extend a stack.
- */
-
-YAML_DECLARE(int)
-yaml_stack_extend(void **start, void **top, void **end)
-{
- void *new_start;
-
- if ((char *)*end - (char *)*start >= INT_MAX / 2)
- return 0;
-
- new_start = yaml_realloc(*start, ((char *)*end - (char *)*start)*2);
-
- if (!new_start) return 0;
-
- *top = (char *)new_start + ((char *)*top - (char *)*start);
- *end = (char *)new_start + ((char *)*end - (char *)*start)*2;
- *start = new_start;
-
- return 1;
-}
-
-/*
- * Extend or move a queue.
- */
-
-YAML_DECLARE(int)
-yaml_queue_extend(void **start, void **head, void **tail, void **end)
-{
- /* Check if we need to resize the queue. */
-
- if (*start == *head && *tail == *end) {
- void *new_start = yaml_realloc(*start,
- ((char *)*end - (char *)*start)*2);
-
- if (!new_start) return 0;
-
- *head = (char *)new_start + ((char *)*head - (char *)*start);
- *tail = (char *)new_start + ((char *)*tail - (char *)*start);
- *end = (char *)new_start + ((char *)*end - (char *)*start)*2;
- *start = new_start;
- }
-
- /* Check if we need to move the queue at the beginning of the buffer. */
-
- if (*tail == *end) {
- if (*head != *tail) {
- memmove(*start, *head, (char *)*tail - (char *)*head);
- }
- *tail = (char *)*tail - (char *)*head + (char *)*start;
- *head = *start;
- }
-
- return 1;
-}
-
-
-/*
- * Create a new parser object.
- */
-
-YAML_DECLARE(int)
-yaml_parser_initialize(yaml_parser_t *parser)
-{
- assert(parser); /* Non-NULL parser object expected. */
-
- memset(parser, 0, sizeof(yaml_parser_t));
- if (!BUFFER_INIT(parser, parser->raw_buffer, INPUT_RAW_BUFFER_SIZE))
- goto error;
- if (!BUFFER_INIT(parser, parser->buffer, INPUT_BUFFER_SIZE))
- goto error;
- if (!QUEUE_INIT(parser, parser->tokens, INITIAL_QUEUE_SIZE, yaml_token_t*))
- goto error;
- if (!STACK_INIT(parser, parser->indents, int*))
- goto error;
- if (!STACK_INIT(parser, parser->simple_keys, yaml_simple_key_t*))
- goto error;
- if (!STACK_INIT(parser, parser->states, yaml_parser_state_t*))
- goto error;
- if (!STACK_INIT(parser, parser->marks, yaml_mark_t*))
- goto error;
- if (!STACK_INIT(parser, parser->tag_directives, yaml_tag_directive_t*))
- goto error;
-
- return 1;
-
-error:
-
- BUFFER_DEL(parser, parser->raw_buffer);
- BUFFER_DEL(parser, parser->buffer);
- QUEUE_DEL(parser, parser->tokens);
- STACK_DEL(parser, parser->indents);
- STACK_DEL(parser, parser->simple_keys);
- STACK_DEL(parser, parser->states);
- STACK_DEL(parser, parser->marks);
- STACK_DEL(parser, parser->tag_directives);
-
- return 0;
-}
-
-/*
- * Destroy a parser object.
- */
-
-YAML_DECLARE(void)
-yaml_parser_delete(yaml_parser_t *parser)
-{
- assert(parser); /* Non-NULL parser object expected. */
-
- BUFFER_DEL(parser, parser->raw_buffer);
- BUFFER_DEL(parser, parser->buffer);
- while (!QUEUE_EMPTY(parser, parser->tokens)) {
- yaml_token_delete(&DEQUEUE(parser, parser->tokens));
- }
- QUEUE_DEL(parser, parser->tokens);
- STACK_DEL(parser, parser->indents);
- STACK_DEL(parser, parser->simple_keys);
- STACK_DEL(parser, parser->states);
- STACK_DEL(parser, parser->marks);
- while (!STACK_EMPTY(parser, parser->tag_directives)) {
- yaml_tag_directive_t tag_directive = POP(parser, parser->tag_directives);
- yaml_free(tag_directive.handle);
- yaml_free(tag_directive.prefix);
- }
- STACK_DEL(parser, parser->tag_directives);
-
- memset(parser, 0, sizeof(yaml_parser_t));
-}
-
-/*
- * String read handler.
- */
-
-static int
-yaml_string_read_handler(void *data, unsigned char *buffer, size_t size,
- size_t *size_read)
-{
- yaml_parser_t *parser = (yaml_parser_t *)data;
-
- if (parser->input.string.current == parser->input.string.end) {
- *size_read = 0;
- return 1;
- }
-
- if (size > (size_t)(parser->input.string.end
- - parser->input.string.current)) {
- size = parser->input.string.end - parser->input.string.current;
- }
-
- memcpy(buffer, parser->input.string.current, size);
- parser->input.string.current += size;
- *size_read = size;
- return 1;
-}
-
-/*
- * File read handler.
- */
-
-static int
-yaml_file_read_handler(void *data, unsigned char *buffer, size_t size,
- size_t *size_read)
-{
- yaml_parser_t *parser = (yaml_parser_t *)data;
-
- *size_read = fread(buffer, 1, size, parser->input.file);
- return !ferror(parser->input.file);
-}
-
-/*
- * Set a string input.
- */
-
-YAML_DECLARE(void)
-yaml_parser_set_input_string(yaml_parser_t *parser,
- const unsigned char *input, size_t size)
-{
- assert(parser); /* Non-NULL parser object expected. */
- assert(!parser->read_handler); /* You can set the source only once. */
- assert(input); /* Non-NULL input string expected. */
-
- parser->read_handler = yaml_string_read_handler;
- parser->read_handler_data = parser;
-
- parser->input.string.start = input;
- parser->input.string.current = input;
- parser->input.string.end = input+size;
-}
-
-/*
- * Set a file input.
- */
-
-YAML_DECLARE(void)
-yaml_parser_set_input_file(yaml_parser_t *parser, FILE *file)
-{
- assert(parser); /* Non-NULL parser object expected. */
- assert(!parser->read_handler); /* You can set the source only once. */
- assert(file); /* Non-NULL file object expected. */
-
- parser->read_handler = yaml_file_read_handler;
- parser->read_handler_data = parser;
-
- parser->input.file = file;
-}
-
-/*
- * Set a generic input.
- */
-
-YAML_DECLARE(void)
-yaml_parser_set_input(yaml_parser_t *parser,
- yaml_read_handler_t *handler, void *data)
-{
- assert(parser); /* Non-NULL parser object expected. */
- assert(!parser->read_handler); /* You can set the source only once. */
- assert(handler); /* Non-NULL read handler expected. */
-
- parser->read_handler = handler;
- parser->read_handler_data = data;
-}
-
-/*
- * Set the source encoding.
- */
-
-YAML_DECLARE(void)
-yaml_parser_set_encoding(yaml_parser_t *parser, yaml_encoding_t encoding)
-{
- assert(parser); /* Non-NULL parser object expected. */
- assert(!parser->encoding); /* Encoding is already set or detected. */
-
- parser->encoding = encoding;
-}
-
-/*
- * Create a new emitter object.
- */
-
-YAML_DECLARE(int)
-yaml_emitter_initialize(yaml_emitter_t *emitter)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
-
- memset(emitter, 0, sizeof(yaml_emitter_t));
- if (!BUFFER_INIT(emitter, emitter->buffer, OUTPUT_BUFFER_SIZE))
- goto error;
- if (!BUFFER_INIT(emitter, emitter->raw_buffer, OUTPUT_RAW_BUFFER_SIZE))
- goto error;
- if (!STACK_INIT(emitter, emitter->states, yaml_emitter_state_t*))
- goto error;
- if (!QUEUE_INIT(emitter, emitter->events, INITIAL_QUEUE_SIZE, yaml_event_t*))
- goto error;
- if (!STACK_INIT(emitter, emitter->indents, int*))
- goto error;
- if (!STACK_INIT(emitter, emitter->tag_directives, yaml_tag_directive_t*))
- goto error;
-
- return 1;
-
-error:
-
- BUFFER_DEL(emitter, emitter->buffer);
- BUFFER_DEL(emitter, emitter->raw_buffer);
- STACK_DEL(emitter, emitter->states);
- QUEUE_DEL(emitter, emitter->events);
- STACK_DEL(emitter, emitter->indents);
- STACK_DEL(emitter, emitter->tag_directives);
-
- return 0;
-}
-
-/*
- * Destroy an emitter object.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_delete(yaml_emitter_t *emitter)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
-
- BUFFER_DEL(emitter, emitter->buffer);
- BUFFER_DEL(emitter, emitter->raw_buffer);
- STACK_DEL(emitter, emitter->states);
- while (!QUEUE_EMPTY(emitter, emitter->events)) {
- yaml_event_delete(&DEQUEUE(emitter, emitter->events));
- }
- QUEUE_DEL(emitter, emitter->events);
- STACK_DEL(emitter, emitter->indents);
- while (!STACK_EMPTY(empty, emitter->tag_directives)) {
- yaml_tag_directive_t tag_directive = POP(emitter, emitter->tag_directives);
- yaml_free(tag_directive.handle);
- yaml_free(tag_directive.prefix);
- }
- STACK_DEL(emitter, emitter->tag_directives);
- yaml_free(emitter->anchors);
-
- memset(emitter, 0, sizeof(yaml_emitter_t));
-}
-
-/*
- * String write handler.
- */
-
-static int
-yaml_string_write_handler(void *data, unsigned char *buffer, size_t size)
-{
- yaml_emitter_t *emitter = (yaml_emitter_t *)data;
-
- if (emitter->output.string.size - *emitter->output.string.size_written
- < size) {
- memcpy(emitter->output.string.buffer
- + *emitter->output.string.size_written,
- buffer,
- emitter->output.string.size
- - *emitter->output.string.size_written);
- *emitter->output.string.size_written = emitter->output.string.size;
- return 0;
- }
-
- memcpy(emitter->output.string.buffer
- + *emitter->output.string.size_written, buffer, size);
- *emitter->output.string.size_written += size;
- return 1;
-}
-
-/*
- * File write handler.
- */
-
-static int
-yaml_file_write_handler(void *data, unsigned char *buffer, size_t size)
-{
- yaml_emitter_t *emitter = (yaml_emitter_t *)data;
-
- return (fwrite(buffer, 1, size, emitter->output.file) == size);
-}
-/*
- * Set a string output.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_set_output_string(yaml_emitter_t *emitter,
- unsigned char *output, size_t size, size_t *size_written)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
- assert(!emitter->write_handler); /* You can set the output only once. */
- assert(output); /* Non-NULL output string expected. */
-
- emitter->write_handler = yaml_string_write_handler;
- emitter->write_handler_data = emitter;
-
- emitter->output.string.buffer = output;
- emitter->output.string.size = size;
- emitter->output.string.size_written = size_written;
- *size_written = 0;
-}
-
-/*
- * Set a file output.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_set_output_file(yaml_emitter_t *emitter, FILE *file)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
- assert(!emitter->write_handler); /* You can set the output only once. */
- assert(file); /* Non-NULL file object expected. */
-
- emitter->write_handler = yaml_file_write_handler;
- emitter->write_handler_data = emitter;
-
- emitter->output.file = file;
-}
-
-/*
- * Set a generic output handler.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_set_output(yaml_emitter_t *emitter,
- yaml_write_handler_t *handler, void *data)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
- assert(!emitter->write_handler); /* You can set the output only once. */
- assert(handler); /* Non-NULL handler object expected. */
-
- emitter->write_handler = handler;
- emitter->write_handler_data = data;
-}
-
-/*
- * Set the output encoding.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_set_encoding(yaml_emitter_t *emitter, yaml_encoding_t encoding)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
- assert(!emitter->encoding); /* You can set encoding only once. */
-
- emitter->encoding = encoding;
-}
-
-/*
- * Set the canonical output style.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_set_canonical(yaml_emitter_t *emitter, int canonical)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
-
- emitter->canonical = (canonical != 0);
-}
-
-/*
- * Set the indentation increment.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_set_indent(yaml_emitter_t *emitter, int indent)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
-
- emitter->best_indent = (1 < indent && indent < 10) ? indent : 2;
-}
-
-/*
- * Set the preferred line width.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_set_width(yaml_emitter_t *emitter, int width)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
-
- emitter->best_width = (width >= 0) ? width : -1;
-}
-
-/*
- * Set if unescaped non-ASCII characters are allowed.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_set_unicode(yaml_emitter_t *emitter, int unicode)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
-
- emitter->unicode = (unicode != 0);
-}
-
-/*
- * Set the preferred line break character.
- */
-
-YAML_DECLARE(void)
-yaml_emitter_set_break(yaml_emitter_t *emitter, yaml_break_t line_break)
-{
- assert(emitter); /* Non-NULL emitter object expected. */
-
- emitter->line_break = line_break;
-}
-
-/*
- * Destroy a token object.
- */
-
-YAML_DECLARE(void)
-yaml_token_delete(yaml_token_t *token)
-{
- assert(token); /* Non-NULL token object expected. */
-
- switch (token->type)
- {
- case YAML_TAG_DIRECTIVE_TOKEN:
- yaml_free(token->data.tag_directive.handle);
- yaml_free(token->data.tag_directive.prefix);
- break;
-
- case YAML_ALIAS_TOKEN:
- yaml_free(token->data.alias.value);
- break;
-
- case YAML_ANCHOR_TOKEN:
- yaml_free(token->data.anchor.value);
- break;
-
- case YAML_TAG_TOKEN:
- yaml_free(token->data.tag.handle);
- yaml_free(token->data.tag.suffix);
- break;
-
- case YAML_SCALAR_TOKEN:
- yaml_free(token->data.scalar.value);
- break;
-
- default:
- break;
- }
-
- memset(token, 0, sizeof(yaml_token_t));
-}
-
-/*
- * Check if a string is a valid UTF-8 sequence.
- *
- * Check 'reader.c' for more details on UTF-8 encoding.
- */
-
-static int
-yaml_check_utf8(const yaml_char_t *start, size_t length)
-{
- const yaml_char_t *end = start+length;
- const yaml_char_t *pointer = start;
-
- while (pointer < end) {
- unsigned char octet;
- unsigned int width;
- unsigned int value;
- size_t k;
-
- octet = pointer[0];
- width = (octet & 0x80) == 0x00 ? 1 :
- (octet & 0xE0) == 0xC0 ? 2 :
- (octet & 0xF0) == 0xE0 ? 3 :
- (octet & 0xF8) == 0xF0 ? 4 : 0;
- value = (octet & 0x80) == 0x00 ? octet & 0x7F :
- (octet & 0xE0) == 0xC0 ? octet & 0x1F :
- (octet & 0xF0) == 0xE0 ? octet & 0x0F :
- (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0;
- if (!width) return 0;
- if (pointer+width > end) return 0;
- for (k = 1; k < width; k ++) {
- octet = pointer[k];
- if ((octet & 0xC0) != 0x80) return 0;
- value = (value << 6) + (octet & 0x3F);
- }
- if (!((width == 1) ||
- (width == 2 && value >= 0x80) ||
- (width == 3 && value >= 0x800) ||
- (width == 4 && value >= 0x10000))) return 0;
-
- pointer += width;
- }
-
- return 1;
-}
-
-/*
- * Create STREAM-START.
- */
-
-YAML_DECLARE(int)
-yaml_stream_start_event_initialize(yaml_event_t *event,
- yaml_encoding_t encoding)
-{
- yaml_mark_t mark = { 0, 0, 0 };
-
- assert(event); /* Non-NULL event object is expected. */
-
- STREAM_START_EVENT_INIT(*event, encoding, mark, mark);
-
- return 1;
-}
-
-/*
- * Create STREAM-END.
- */
-
-YAML_DECLARE(int)
-yaml_stream_end_event_initialize(yaml_event_t *event)
-{
- yaml_mark_t mark = { 0, 0, 0 };
-
- assert(event); /* Non-NULL event object is expected. */
-
- STREAM_END_EVENT_INIT(*event, mark, mark);
-
- return 1;
-}
-
-/*
- * Create DOCUMENT-START.
- */
-
-YAML_DECLARE(int)
-yaml_document_start_event_initialize(yaml_event_t *event,
- yaml_version_directive_t *version_directive,
- yaml_tag_directive_t *tag_directives_start,
- yaml_tag_directive_t *tag_directives_end,
- int implicit)
-{
- struct {
- yaml_error_type_t error;
- } context;
- yaml_mark_t mark = { 0, 0, 0 };
- yaml_version_directive_t *version_directive_copy = NULL;
- struct {
- yaml_tag_directive_t *start;
- yaml_tag_directive_t *end;
- yaml_tag_directive_t *top;
- } tag_directives_copy = { NULL, NULL, NULL };
- yaml_tag_directive_t value = { NULL, NULL };
-
- assert(event); /* Non-NULL event object is expected. */
- assert((tag_directives_start && tag_directives_end) ||
- (tag_directives_start == tag_directives_end));
- /* Valid tag directives are expected. */
-
- if (version_directive) {
- version_directive_copy = YAML_MALLOC_STATIC(yaml_version_directive_t);
- if (!version_directive_copy) goto error;
- version_directive_copy->major = version_directive->major;
- version_directive_copy->minor = version_directive->minor;
- }
-
- if (tag_directives_start != tag_directives_end) {
- yaml_tag_directive_t *tag_directive;
- if (!STACK_INIT(&context, tag_directives_copy, yaml_tag_directive_t*))
- goto error;
- for (tag_directive = tag_directives_start;
- tag_directive != tag_directives_end; tag_directive ++) {
- assert(tag_directive->handle);
- assert(tag_directive->prefix);
- if (!yaml_check_utf8(tag_directive->handle,
- strlen((char *)tag_directive->handle)))
- goto error;
- if (!yaml_check_utf8(tag_directive->prefix,
- strlen((char *)tag_directive->prefix)))
- goto error;
- value.handle = yaml_strdup(tag_directive->handle);
- value.prefix = yaml_strdup(tag_directive->prefix);
- if (!value.handle || !value.prefix) goto error;
- if (!PUSH(&context, tag_directives_copy, value))
- goto error;
- value.handle = NULL;
- value.prefix = NULL;
- }
- }
-
- DOCUMENT_START_EVENT_INIT(*event, version_directive_copy,
- tag_directives_copy.start, tag_directives_copy.top,
- implicit, mark, mark);
-
- return 1;
-
-error:
- yaml_free(version_directive_copy);
- while (!STACK_EMPTY(context, tag_directives_copy)) {
- yaml_tag_directive_t value = POP(context, tag_directives_copy);
- yaml_free(value.handle);
- yaml_free(value.prefix);
- }
- STACK_DEL(context, tag_directives_copy);
- yaml_free(value.handle);
- yaml_free(value.prefix);
-
- return 0;
-}
-
-/*
- * Create DOCUMENT-END.
- */
-
-YAML_DECLARE(int)
-yaml_document_end_event_initialize(yaml_event_t *event, int implicit)
-{
- yaml_mark_t mark = { 0, 0, 0 };
-
- assert(event); /* Non-NULL emitter object is expected. */
-
- DOCUMENT_END_EVENT_INIT(*event, implicit, mark, mark);
-
- return 1;
-}
-
-/*
- * Create ALIAS.
- */
-
-YAML_DECLARE(int)
-yaml_alias_event_initialize(yaml_event_t *event, const yaml_char_t *anchor)
-{
- yaml_mark_t mark = { 0, 0, 0 };
- yaml_char_t *anchor_copy = NULL;
-
- assert(event); /* Non-NULL event object is expected. */
- assert(anchor); /* Non-NULL anchor is expected. */
-
- if (!yaml_check_utf8(anchor, strlen((char *)anchor))) return 0;
-
- anchor_copy = yaml_strdup(anchor);
- if (!anchor_copy)
- return 0;
-
- ALIAS_EVENT_INIT(*event, anchor_copy, mark, mark);
-
- return 1;
-}
-
-/*
- * Create SCALAR.
- */
-
-YAML_DECLARE(int)
-yaml_scalar_event_initialize(yaml_event_t *event,
- const yaml_char_t *anchor, const yaml_char_t *tag,
- const yaml_char_t *value, int length,
- int plain_implicit, int quoted_implicit,
- yaml_scalar_style_t style)
-{
- yaml_mark_t mark = { 0, 0, 0 };
- yaml_char_t *anchor_copy = NULL;
- yaml_char_t *tag_copy = NULL;
- yaml_char_t *value_copy = NULL;
-
- assert(event); /* Non-NULL event object is expected. */
- assert(value); /* Non-NULL anchor is expected. */
-
- if (anchor) {
- if (!yaml_check_utf8(anchor, strlen((char *)anchor))) goto error;
- anchor_copy = yaml_strdup(anchor);
- if (!anchor_copy) goto error;
- }
-
- if (tag) {
- if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error;
- tag_copy = yaml_strdup(tag);
- if (!tag_copy) goto error;
- }
-
- if (length < 0) {
- length = (int)strlen((char *)value);
- }
-
- if (!yaml_check_utf8(value, length)) goto error;
- value_copy = YAML_MALLOC(length+1);
- if (!value_copy) goto error;
- memcpy(value_copy, value, length);
- value_copy[length] = '\0';
-
- SCALAR_EVENT_INIT(*event, anchor_copy, tag_copy, value_copy, length,
- plain_implicit, quoted_implicit, style, mark, mark);
-
- return 1;
-
-error:
- yaml_free(anchor_copy);
- yaml_free(tag_copy);
- yaml_free(value_copy);
-
- return 0;
-}
-
-/*
- * Create SEQUENCE-START.
- */
-
-YAML_DECLARE(int)
-yaml_sequence_start_event_initialize(yaml_event_t *event,
- const yaml_char_t *anchor, const yaml_char_t *tag, int implicit,
- yaml_sequence_style_t style)
-{
- yaml_mark_t mark = { 0, 0, 0 };
- yaml_char_t *anchor_copy = NULL;
- yaml_char_t *tag_copy = NULL;
-
- assert(event); /* Non-NULL event object is expected. */
-
- if (anchor) {
- if (!yaml_check_utf8(anchor, strlen((char *)anchor))) goto error;
- anchor_copy = yaml_strdup(anchor);
- if (!anchor_copy) goto error;
- }
-
- if (tag) {
- if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error;
- tag_copy = yaml_strdup(tag);
- if (!tag_copy) goto error;
- }
-
- SEQUENCE_START_EVENT_INIT(*event, anchor_copy, tag_copy,
- implicit, style, mark, mark);
-
- return 1;
-
-error:
- yaml_free(anchor_copy);
- yaml_free(tag_copy);
-
- return 0;
-}
-
-/*
- * Create SEQUENCE-END.
- */
-
-YAML_DECLARE(int)
-yaml_sequence_end_event_initialize(yaml_event_t *event)
-{
- yaml_mark_t mark = { 0, 0, 0 };
-
- assert(event); /* Non-NULL event object is expected. */
-
- SEQUENCE_END_EVENT_INIT(*event, mark, mark);
-
- return 1;
-}
-
-/*
- * Create MAPPING-START.
- */
-
-YAML_DECLARE(int)
-yaml_mapping_start_event_initialize(yaml_event_t *event,
- const yaml_char_t *anchor, const yaml_char_t *tag, int implicit,
- yaml_mapping_style_t style)
-{
- yaml_mark_t mark = { 0, 0, 0 };
- yaml_char_t *anchor_copy = NULL;
- yaml_char_t *tag_copy = NULL;
-
- assert(event); /* Non-NULL event object is expected. */
-
- if (anchor) {
- if (!yaml_check_utf8(anchor, strlen((char *)anchor))) goto error;
- anchor_copy = yaml_strdup(anchor);
- if (!anchor_copy) goto error;
- }
-
- if (tag) {
- if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error;
- tag_copy = yaml_strdup(tag);
- if (!tag_copy) goto error;
- }
-
- MAPPING_START_EVENT_INIT(*event, anchor_copy, tag_copy,
- implicit, style, mark, mark);
-
- return 1;
-
-error:
- yaml_free(anchor_copy);
- yaml_free(tag_copy);
-
- return 0;
-}
-
-/*
- * Create MAPPING-END.
- */
-
-YAML_DECLARE(int)
-yaml_mapping_end_event_initialize(yaml_event_t *event)
-{
- yaml_mark_t mark = { 0, 0, 0 };
-
- assert(event); /* Non-NULL event object is expected. */
-
- MAPPING_END_EVENT_INIT(*event, mark, mark);
-
- return 1;
-}
-
-/*
- * Destroy an event object.
- */
-
-YAML_DECLARE(void)
-yaml_event_delete(yaml_event_t *event)
-{
- yaml_tag_directive_t *tag_directive;
-
- assert(event); /* Non-NULL event object expected. */
-
- switch (event->type)
- {
- case YAML_DOCUMENT_START_EVENT:
- yaml_free(event->data.document_start.version_directive);
- for (tag_directive = event->data.document_start.tag_directives.start;
- tag_directive != event->data.document_start.tag_directives.end;
- tag_directive++) {
- yaml_free(tag_directive->handle);
- yaml_free(tag_directive->prefix);
- }
- yaml_free(event->data.document_start.tag_directives.start);
- break;
-
- case YAML_ALIAS_EVENT:
- yaml_free(event->data.alias.anchor);
- break;
-
- case YAML_SCALAR_EVENT:
- yaml_free(event->data.scalar.anchor);
- yaml_free(event->data.scalar.tag);
- yaml_free(event->data.scalar.value);
- break;
-
- case YAML_SEQUENCE_START_EVENT:
- yaml_free(event->data.sequence_start.anchor);
- yaml_free(event->data.sequence_start.tag);
- break;
-
- case YAML_MAPPING_START_EVENT:
- yaml_free(event->data.mapping_start.anchor);
- yaml_free(event->data.mapping_start.tag);
- break;
-
- default:
- break;
- }
-
- memset(event, 0, sizeof(yaml_event_t));
-}
-
-/*
- * Create a document object.
- */
-
-YAML_DECLARE(int)
-yaml_document_initialize(yaml_document_t *document,
- yaml_version_directive_t *version_directive,
- yaml_tag_directive_t *tag_directives_start,
- yaml_tag_directive_t *tag_directives_end,
- int start_implicit, int end_implicit)
-{
- struct {
- yaml_error_type_t error;
- } context;
- struct {
- yaml_node_t *start;
- yaml_node_t *end;
- yaml_node_t *top;
- } nodes = { NULL, NULL, NULL };
- yaml_version_directive_t *version_directive_copy = NULL;
- struct {
- yaml_tag_directive_t *start;
- yaml_tag_directive_t *end;
- yaml_tag_directive_t *top;
- } tag_directives_copy = { NULL, NULL, NULL };
- yaml_tag_directive_t value = { NULL, NULL };
- yaml_mark_t mark = { 0, 0, 0 };
-
- assert(document); /* Non-NULL document object is expected. */
- assert((tag_directives_start && tag_directives_end) ||
- (tag_directives_start == tag_directives_end));
- /* Valid tag directives are expected. */
-
- if (!STACK_INIT(&context, nodes, yaml_node_t*)) goto error;
-
- if (version_directive) {
- version_directive_copy = YAML_MALLOC_STATIC(yaml_version_directive_t);
- if (!version_directive_copy) goto error;
- version_directive_copy->major = version_directive->major;
- version_directive_copy->minor = version_directive->minor;
- }
-
- if (tag_directives_start != tag_directives_end) {
- yaml_tag_directive_t *tag_directive;
- if (!STACK_INIT(&context, tag_directives_copy, yaml_tag_directive_t*))
- goto error;
- for (tag_directive = tag_directives_start;
- tag_directive != tag_directives_end; tag_directive ++) {
- assert(tag_directive->handle);
- assert(tag_directive->prefix);
- if (!yaml_check_utf8(tag_directive->handle,
- strlen((char *)tag_directive->handle)))
- goto error;
- if (!yaml_check_utf8(tag_directive->prefix,
- strlen((char *)tag_directive->prefix)))
- goto error;
- value.handle = yaml_strdup(tag_directive->handle);
- value.prefix = yaml_strdup(tag_directive->prefix);
- if (!value.handle || !value.prefix) goto error;
- if (!PUSH(&context, tag_directives_copy, value))
- goto error;
- value.handle = NULL;
- value.prefix = NULL;
- }
- }
-
- DOCUMENT_INIT(*document, nodes.start, nodes.end, version_directive_copy,
- tag_directives_copy.start, tag_directives_copy.top,
- start_implicit, end_implicit, mark, mark);
-
- return 1;
-
-error:
- STACK_DEL(&context, nodes);
- yaml_free(version_directive_copy);
- while (!STACK_EMPTY(&context, tag_directives_copy)) {
- yaml_tag_directive_t value = POP(&context, tag_directives_copy);
- yaml_free(value.handle);
- yaml_free(value.prefix);
- }
- STACK_DEL(&context, tag_directives_copy);
- yaml_free(value.handle);
- yaml_free(value.prefix);
-
- return 0;
-}
-
-/*
- * Destroy a document object.
- */
-
-YAML_DECLARE(void)
-yaml_document_delete(yaml_document_t *document)
-{
- yaml_tag_directive_t *tag_directive;
-
- assert(document); /* Non-NULL document object is expected. */
-
- while (!STACK_EMPTY(&context, document->nodes)) {
- yaml_node_t node = POP(&context, document->nodes);
- yaml_free(node.tag);
- switch (node.type) {
- case YAML_SCALAR_NODE:
- yaml_free(node.data.scalar.value);
- break;
- case YAML_SEQUENCE_NODE:
- STACK_DEL(&context, node.data.sequence.items);
- break;
- case YAML_MAPPING_NODE:
- STACK_DEL(&context, node.data.mapping.pairs);
- break;
- default:
- assert(0); /* Should not happen. */
- }
- }
- STACK_DEL(&context, document->nodes);
-
- yaml_free(document->version_directive);
- for (tag_directive = document->tag_directives.start;
- tag_directive != document->tag_directives.end;
- tag_directive++) {
- yaml_free(tag_directive->handle);
- yaml_free(tag_directive->prefix);
- }
- yaml_free(document->tag_directives.start);
-
- memset(document, 0, sizeof(yaml_document_t));
-}
-
-/**
- * Get a document node.
- */
-
-YAML_DECLARE(yaml_node_t *)
-yaml_document_get_node(yaml_document_t *document, int index)
-{
- assert(document); /* Non-NULL document object is expected. */
-
- if (index > 0 && document->nodes.start + index <= document->nodes.top) {
- return document->nodes.start + index - 1;
- }
- return NULL;
-}
-
-/**
- * Get the root object.
- */
-
-YAML_DECLARE(yaml_node_t *)
-yaml_document_get_root_node(yaml_document_t *document)
-{
- assert(document); /* Non-NULL document object is expected. */
-
- if (document->nodes.top != document->nodes.start) {
- return document->nodes.start;
- }
- return NULL;
-}
-
-/*
- * Add a scalar node to a document.
- */
-
-YAML_DECLARE(int)
-yaml_document_add_scalar(yaml_document_t *document,
- const yaml_char_t *tag, const yaml_char_t *value, int length,
- yaml_scalar_style_t style)
-{
- struct {
- yaml_error_type_t error;
- } context;
- yaml_mark_t mark = { 0, 0, 0 };
- yaml_char_t *tag_copy = NULL;
- yaml_char_t *value_copy = NULL;
- yaml_node_t node;
-
- assert(document); /* Non-NULL document object is expected. */
- assert(value); /* Non-NULL value is expected. */
-
- if (!tag) {
- tag = (yaml_char_t *)YAML_DEFAULT_SCALAR_TAG;
- }
-
- if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error;
- tag_copy = yaml_strdup(tag);
- if (!tag_copy) goto error;
-
- if (length < 0) {
- length = (int)strlen((char *)value);
- }
-
- if (!yaml_check_utf8(value, length)) goto error;
- value_copy = YAML_MALLOC(length+1);
- if (!value_copy) goto error;
- memcpy(value_copy, value, length);
- value_copy[length] = '\0';
-
- SCALAR_NODE_INIT(node, tag_copy, value_copy, length, style, mark, mark);
- if (!PUSH(&context, document->nodes, node)) goto error;
-
- return (int)(document->nodes.top - document->nodes.start);
-
-error:
- yaml_free(tag_copy);
- yaml_free(value_copy);
-
- return 0;
-}
-
-/*
- * Add a sequence node to a document.
- */
-
-YAML_DECLARE(int)
-yaml_document_add_sequence(yaml_document_t *document,
- const yaml_char_t *tag, yaml_sequence_style_t style)
-{
- struct {
- yaml_error_type_t error;
- } context;
- yaml_mark_t mark = { 0, 0, 0 };
- yaml_char_t *tag_copy = NULL;
- struct {
- yaml_node_item_t *start;
- yaml_node_item_t *end;
- yaml_node_item_t *top;
- } items = { NULL, NULL, NULL };
- yaml_node_t node;
-
- assert(document); /* Non-NULL document object is expected. */
-
- if (!tag) {
- tag = (yaml_char_t *)YAML_DEFAULT_SEQUENCE_TAG;
- }
-
- if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error;
- tag_copy = yaml_strdup(tag);
- if (!tag_copy) goto error;
-
- if (!STACK_INIT(&context, items, yaml_node_item_t*)) goto error;
-
- SEQUENCE_NODE_INIT(node, tag_copy, items.start, items.end,
- style, mark, mark);
- if (!PUSH(&context, document->nodes, node)) goto error;
-
- return (int)(document->nodes.top - document->nodes.start);
-
-error:
- STACK_DEL(&context, items);
- yaml_free(tag_copy);
-
- return 0;
-}
-
-/*
- * Add a mapping node to a document.
- */
-
-YAML_DECLARE(int)
-yaml_document_add_mapping(yaml_document_t *document,
- const yaml_char_t *tag, yaml_mapping_style_t style)
-{
- struct {
- yaml_error_type_t error;
- } context;
- yaml_mark_t mark = { 0, 0, 0 };
- yaml_char_t *tag_copy = NULL;
- struct {
- yaml_node_pair_t *start;
- yaml_node_pair_t *end;
- yaml_node_pair_t *top;
- } pairs = { NULL, NULL, NULL };
- yaml_node_t node;
-
- assert(document); /* Non-NULL document object is expected. */
-
- if (!tag) {
- tag = (yaml_char_t *)YAML_DEFAULT_MAPPING_TAG;
- }
-
- if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error;
- tag_copy = yaml_strdup(tag);
- if (!tag_copy) goto error;
-
- if (!STACK_INIT(&context, pairs, yaml_node_pair_t*)) goto error;
-
- MAPPING_NODE_INIT(node, tag_copy, pairs.start, pairs.end,
- style, mark, mark);
- if (!PUSH(&context, document->nodes, node)) goto error;
-
- return (int)(document->nodes.top - document->nodes.start);
-
-error:
- STACK_DEL(&context, pairs);
- yaml_free(tag_copy);
-
- return 0;
-}
-
-/*
- * Append an item to a sequence node.
- */
-
-YAML_DECLARE(int)
-yaml_document_append_sequence_item(yaml_document_t *document,
- int sequence, int item)
-{
- struct {
- yaml_error_type_t error;
- } context;
-
- assert(document); /* Non-NULL document is required. */
- assert(sequence > 0
- && document->nodes.start + sequence <= document->nodes.top);
- /* Valid sequence id is required. */
- assert(document->nodes.start[sequence-1].type == YAML_SEQUENCE_NODE);
- /* A sequence node is required. */
- assert(item > 0 && document->nodes.start + item <= document->nodes.top);
- /* Valid item id is required. */
-
- if (!PUSH(&context,
- document->nodes.start[sequence-1].data.sequence.items, item))
- return 0;
-
- return 1;
-}
-
-/*
- * Append a pair of a key and a value to a mapping node.
- */
-
-YAML_DECLARE(int)
-yaml_document_append_mapping_pair(yaml_document_t *document,
- int mapping, int key, int value)
-{
- struct {
- yaml_error_type_t error;
- } context;
-
- yaml_node_pair_t pair;
-
- assert(document); /* Non-NULL document is required. */
- assert(mapping > 0
- && document->nodes.start + mapping <= document->nodes.top);
- /* Valid mapping id is required. */
- assert(document->nodes.start[mapping-1].type == YAML_MAPPING_NODE);
- /* A mapping node is required. */
- assert(key > 0 && document->nodes.start + key <= document->nodes.top);
- /* Valid key id is required. */
- assert(value > 0 && document->nodes.start + value <= document->nodes.top);
- /* Valid value id is required. */
-
- pair.key = key;
- pair.value = value;
-
- if (!PUSH(&context,
- document->nodes.start[mapping-1].data.mapping.pairs, pair))
- return 0;
-
- return 1;
-}
-
-